Stay updated with real-time air quality in Essex, UK featuring accurate data on AQI, PM2.5, PM10, O3, NO2, SO2, and CO levels. Use our interactive map and detailed forecasts to monitor pollution trends, manage health risks, and plan your daily activities with confidence.
Live AQI (Air Quality Index)
28
Good
Essex, UK
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
3.14 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
8.92 μg/m³
0
55
155
255
425
605+
30.09 ppb
0
55
71
86
201
201+
0.69 ppb
0
36
76
186
605
1005+
4.02 ppb
0
54
101
361
1250
2050+
0.04 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Essex, UK
Essex, UK
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| City | AQI | PM2.5 | PM10 | O3 | SO2 | NO2 | CO |
|---|---|---|---|---|---|---|---|
AQI 28
Good
2.13μg/m³
PM2.5
7.89μg/m³
PM10
29.87ppb
O3
0.16ppb
SO2
2.28ppb
NO2
0.01ppm
CO
AQI 26
Good
3.45μg/m³
PM2.5
8.43μg/m³
PM10
27.65ppb
O3
0.17ppb
SO2
5.86ppb
NO2
0.01ppm
CO
AQI 38
Good
7.37μg/m³
PM2.5
24.89μg/m³
PM10
28.39ppb
O3
0.12ppb
SO2
6.99ppb
NO2
0.00ppm
CO
AQI 27
Good
3.63μg/m³
PM2.5
9.06μg/m³
PM10
28.77ppb
O3
0.14ppb
SO2
4.14ppb
NO2
0.01ppm
CO
AQI 31
Good
3.70μg/m³
PM2.5
11.44μg/m³
PM10
34.26ppb
O3
0.28ppb
SO2
1.64ppb
NO2
0.11ppm
CO
AQI 31
Good
3.98μg/m³
PM2.5
11.42μg/m³
PM10
32.86ppb
O3
0.23ppb
SO2
2.37ppb
NO2
0.11ppm
CO
Air quality and pollutant data for Essex, UK are sourced from ground-based monitors and satellites, adhering to US EPA standards. Machine learning and advanced algorithms enhance the data by incorporating local variables like traffic and population density, ensuring high accuracy and dependability.
Source: Ambee Data Sources
The air quality information for Essex, UK is updated every hour for accuracy.
In the past 24 hours, the air quality in Essex, UK was at its worst at 06:00:00 on 2025-12-27.
In the last 24 hours, the best air quality in Essex, UK was observed at 08:00:00 on 2025-12-28.
As of now, the AQI in Essex, UK is 28, indicating Good conditions.
Essex, UK air has the highest levels of O3.
Poor air quality in Essex, UK means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Essex, UK are currently 2.962 μg/m3.
The PM10 concentration in Essex, UK is 11.087 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Essex, UK is 0.023 ppm.
Currently, Essex, UK has a sulfur dioxide (SO2) concentration of 0.303 ppb.
The current ozone (O3) level in Essex, UK at the moment is 30.286 ppm.
Nitrogen dioxide (NO2) level in Essex, UK at the moment is 2.55 ppb.
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